ethereum(以太坊)(八)--Address

pragma solidity ^0.4.0;

contract Test{

    address _owner;
    uint160 _c;

    constructor() public{
        _owner = 0xca35b7d915458ef540ade6068dfe2f44e8fa733c;
        _c = 1154414090619811796818182302139415280051214250812;
    }

    /*
    address _owner;
    uint160 _c;

    function inter(){
        _owner = 0xca35b7d915458ef540ade6068dfe2f44e8fa733c;
        //ca35b7d915458ef540ade6068dfe2f44e8fa733c
        //40 * 4 = 160
        _c = 1154414090619811796818182302139415280051214250812;
    }
    0x 45  :16进制
    0b 0  1  0  0   0 1 0 1  :2进制
      128+64+32+16 +8+4+2+1  69 :10进制
    */
    function getUint160() constant returns(uint160){
        return uint160(_owner);
    }

    function getAddress() constant returns(address){
        return address(_c);
    }
}

/*
to   0xbde95422681e4c3984635af2f2f35f8c44a4ddc9
contract address 0x0fdf4894a3b7c5a101686829063be52ad45bcfb7
from             0xca35b7d915458ef540ade6068dfe2f44e8fa733c
*/

pragma solidity ^0.4.0;

contract modifierTest{
    address owner;
    uint public v3;

    constructor() public{
        uint8  _a = 12 ;
        uint b = 1;
        string memory  str='eilinge';
        owner =msg.sender;
    }
    /*
    function  setAddress(address add) public{
        owner= add;
    }

    function getAddress() constant returns(address){
        return owner;
    }
    */

    modifier onlyowner(address own) {
        require(own == owner);
        _;
    }
    //msg.sender 部署合约时的地址
    //在Account切换成其他地址,不需要重新部署合约,直接运行即可
    //modifierTest at 0xcac3f0403895fadae1c5cb2f9cb5fb0fbda62a37(memory) 当前合约对象的地址
    function setv3() onlyowner(msg.sender)  returns(uint){
        return v3 += 10;
    }
    function getthisAddress() constant returns(address){
        return this; //xCac3f0403895fAdAE1c5Cb2F9cB5fB0FbDa62a37
    }
    function getBalance(address add) constant returns(uint){
        return add.balance; //参看钱包地址余额:getBalance("0x4b0897b0513fdc7c541b6d9d7e929c4e5364d2db") 传入参数需要添加("")
    }
}

pragma solidity ^0.4.0;

contract modifierTest{
    address  public accounts=0xdd870fa1b7c4700f2bd7f44238821c26f7392148;
    address owner= msg.sender;

    function transfertest() payable public returns(bool){ //payable 转账必须加上
        //accounts = 0x4b0897b0513fdc7c541b6d9d7e929c4e5364d2db;
        accounts.transfer(msg.value); //msg.value 全局变量,在value中直接赋值
        return  accounts.send(msg.value);
        /*
        send()：
          递归深度不能超过1024
          如果gas不够,执行会失败,只会返回false,不能报异常
          检查是否转账成功
          transfer 相对 send 较安全
        */
    }

    function getbalance() constant public returns(uint){

        return accounts.balance;
    }

    function getownerbalance() constant public returns(uint){

        return owner.balance;
    }
}